Cita APA (7a ed.)

Goodspeed, T. H., Hutchinson, P., & Wheeler, H. (1954). The Genus nicotiana: Origins, relationships and evolution of its species in the light of the distribution, morphology and cytogenetics. Chronica Botanyca.

Cita Chicago Style (17a ed.)

Goodspeed, Thomas Harper, P.C Hutchinson, y H.M Wheeler. The Genus Nicotiana: Origins, Relationships and Evolution of Its Species in the Light of the Distribution, Morphology and Cytogenetics. Waltham: Chronica Botanyca, 1954.

Cita MLA (8a ed.)

Goodspeed, Thomas Harper, et al. The Genus Nicotiana: Origins, Relationships and Evolution of Its Species in the Light of the Distribution, Morphology and Cytogenetics. Chronica Botanyca, 1954.